<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
  <head>  
    <title>用户界面</title>
  </head>
  
  <body>
    <center>
    <h1>
     登陆成功！欢迎到来！
    </h1>
    </center>
  </body>
</html>